Jason S. Isenberg, M.D.
Otolaryngology Physician · Madison, WI
Jason S. Isenberg, M.D. is an otolaryngology physician with a practice address in Madison, Wisconsin, and NPI 1043262439, issued on May 16, 2006. Check the license (Wisconsin 47391-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Jason S. Isenberg
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 47391-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1211 Fish Hatchery RD, Madison, WI 53715
- Phone
- (608) 252-8000
- Enumerated
- May 16, 2006
- Record last updated
- May 5, 2022
- Fax
- (608) 283-7381
- Medicaid ID
- 1043262439 WI
- Medicare enrollment
- Enrolled (PECOS I20090819000285); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 231 in Wisconsin → Look up another NPI →
Also registered at 1211 Fish Hatchery RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Caroline Aaberg, APNPNurse Practitioner1881384394
- Michelle Adler-Gronski, PA-CPhysician Assistant1265499487
- Heidi Allen-Bregman, APNPNurse Practitioner1255380424
- Douglas Arnold, M.D.Orthopaedic Surgery Physician1770788267
- Emily Beaman, CNMAdvanced Practice Midwife1285037325
- Bridget Bellissimo, PA-CPhysician Assistant1093435091
Verify Jason S. Isenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 47391-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average otolaryngology physician in 2024
153 Medicare Part D claims for 65 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.
Most prescribed
- Ipratropium Bromide40 claims
- Fluticasone Propionate21 claims
- Omeprazole13 claims
- Prednisone13 claims
- Budesonide11 claims
- Ofloxacin11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Dean Health Systems IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason S. Isenberg among 231 otolaryngology physician records in Wisconsin
Jason S. Isenberg, M.D. is one of 231 otolaryngology physician records with a practice address in Wisconsin. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 45% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2003 · median 2004 among the 147 with a school on file
- Record last updated2022 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Wisconsin
There are 231 otolaryngology physician records in Wisconsin.
All 231 in Wisconsin → Every provider in Madison → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Chad Ennis, M.D.Madison, WI 537151184010977
- William Finch, MDMadison, WI 537151295790988
- Judith Green, MDMadison, WI 537151275598963
- Matthew Lister, M.D.Madison, WI 537151821200239
- James Schemmel, MDMadison, WI 537151689617706
- Nathan Schreiber, M.D.Madison, WI 537151558515924
- Robert Stanley, MDMadison, WI 537151295778280
- Paul Staskowski, MDMadison, WI 537151548224264
Common questions
What is Jason S. Isenberg, M.D.'s NPI number?
Jason S. Isenberg, M.D.'s National Provider Identifier (NPI) is 1043262439, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jason S. Isenberg, M.D. located?
The NPPES record lists a practice address at 1211 Fish Hatchery RD, Madison, WI, 53715. Phone: (608) 252-8000. Providers update this record themselves, so call before visiting.
How can I verify Jason S. Isenberg, M.D.'s license?
NPPES lists Wisconsin license number 47391-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jason S. Isenberg, M.D. prescribe under Medicare Part D?
In 2024, Jason S. Isenberg, M.D. had 153 Medicare Part D claims for 65 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.